EP1462189A1 - Method and apparatus for incremental forming - Google Patents
Method and apparatus for incremental forming Download PDFInfo
- Publication number
- EP1462189A1 EP1462189A1 EP03255185A EP03255185A EP1462189A1 EP 1462189 A1 EP1462189 A1 EP 1462189A1 EP 03255185 A EP03255185 A EP 03255185A EP 03255185 A EP03255185 A EP 03255185A EP 1462189 A1 EP1462189 A1 EP 1462189A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- incremental forming
- tool
- workpiece
- incremental
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D21/00—Combined processes according to methods covered by groups B21D1/00 - B21D19/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/005—Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Making Paper Articles (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Paper (AREA)
Abstract
Description
- The present invention relates to an incremental forming method and incremental forming apparatus for forming a metal member without using a press mold.
- Patent document 1, Japanese Patent Laid-Open Publication No. 2002-1444 (European Patent Application Publication No. 1147832 A2), discloses an incremental forming method according to which a rod shaped tool is applied to the surface of a metal plate material and incremental forming is carried out by shaping the plate member with the tool along a contour line corresponding to the shape of the product to be formed.
- FIG. 4 shows the shape of the product to be formed by incremental forming.
- Incremental forming is a technique for forming a product 1 from a
metal plate workpiece 10 by supporting the workpiece at a plane formed of an X axis and a Y axis, moving the formingtool 150 along a contour line in the Z-axis direction of aform portion 20, thereby drawing the metal plate to form the product 1. - During processing, a portion that does not block the movement of the forming
tool 150 in themetal plate 10 or the periphery of theplate 10 is supported by a fixing jig. - As shown in FIG. 5, when the product 1a is removed from the mounting jig after the forming process, a flat end 10a is deformed from a
predetermined shape 10 by the stress provided during processing. - The present invention provides a method and apparatus for incremental forming that solves the above-mentioned problems of the prior art.
- In order to achieve the above object, the present invention provides a method for incremental forming carried out by applying an incremental forming tool to a metal workpiece and performing forming along a contour line, comprising: a step of carrying out incremental forming by applying the incremental forming tool to the metal workpiece and moving the incremental forming tool along the contour line; and a step of supplying heat to a strained portion of a product formed through the incremental forming step.
- Moreover, the apparatus for incremental forming according to the present invention comprises a table having a workpiece holder and a workpiece clamp for holding the periphery of a metal workpiece, a spindle disposed perpendicular to the plane formed by the table, and a means for relatively moving the table and the spindle.
- Further, a straightening tool comprises a shank portion to be inserted to the spindle, a hot-air blowout portion, an electric heater for heating the air being supplied, a sensor for detecting the temperature of the hot air at the blowout portion, and a controller for controlling the heater based on the data from the sensor. Furthermore, the apparatus comprises a means for controlling the hot-air blowout portion of the straightening tool so that a predetermined distance is maintained between the blowout portion and the surface of the treated portion.
-
- FIG. 1 is an explanatory view showing the incremental forming process according to the incremental forming apparatus of the present invention;
- FIG. 2 is an explanatory view showing the straightening process according to the incremental forming apparatus of the present invention;
- FIG. 3 is an explanatory view showing the straightening tool according to the incremental forming apparatus of the present invention;
- FIG. 4 is an explanatory view of the incremental forming according to the prior art; and
- FIG. 5 is an explanatory view of the strain created by incremental forming according to the prior art.
-
- FIG. 1 shows the incremental forming step according to the incremental forming apparatus of the present invention, and FIG. 2 is an explanatory view showing the straightening step.
- As shown in FIG. 1, the incremental forming apparatus, denoted as a whole by reference number 100, comprises a table 110 for mounting a
metal plate workpiece 10 which is the material subjected to incremental forming disposed along an X-Y plane, and aworkpiece clamp 120 that holds the periphery of the workpiece onto the table. The periphery of theworkpiece 10 is supported between the table 110 and theworkpiece clamp 120, and thus the workpiece is fixed to position. At the center of the table 110 is disposed a mold that corresponds to aform portion 20. The table 110 and theworkpiece clamp 120 are capable of moving in the perpendicular direction or up-down direction with respect to the mold. - An incremental forming
tool 150 is disposed on a spindle and the like not shown, which can be moved relatively along the X-Y plane with respect to theworkpiece 10, and can also be controlled in a Z-axis direction (perpendicular direction). - In carrying out incremental forming, an incremental forming
tool 150 is applied to aworkpiece 10 supported between the table 110 and theworkpiece clamp 120, and the tool is relatively moved along the X-Y plane in the shape of theform portion 20, thetool 150 moving along the contour line of theform portion 20 first in the Y-axis direction, then in the X-axis direction, again in the Y-axis direction, and then in the X-axis direction. When the incremental formingtool 150 is moved around the mold once, thetool 150 is moved downward (in the direction of the Z axis), along with which movement the table 110 and theworkpiece clamp 120 are also moved downward, before the incremental formingtool 150 is moved along the contour line of theform portion 20. This operation is repeated for a number of times. - The conditions for incremental forming vary according to the material of the
workpiece 10. - For example, if the
workpiece 10 is a plate member made of aluminum alloy, the speed of relative movement between the tool and the workpiece is approximately 30000 mm/min at maximum, and the pitch of the contour line is approximately 0.5 mm. - During the process, the tip of the
tool 150 is constantly in contact with the workpiece. - FIG. 2 is an explanatory view showing the straightening process according to the present apparatus.
- First, the incremental forming
tool 150 is mounted on a spindle in the incremental forming apparatus 100, and incremental forming is carried out to create theform portion 20. After creating theform portion 20, the incremental formingtool 150 is removed from the spindle, and a straighteningtool 200 is mounted thereto. This tool replacement can be carried out automatically using an automatic tool exchange device. - FIG. 3 is an explanatory view showing the details of the straightening
tool 200. - The
straightening tool 200 comprises ashank portion 210 to be inserted to the spindle not shown of the incremental forming apparatus 100. Thestraightening tool 220 comprises a hot-air blowout pipe 230, and aheater 250 disposed within thebody 220 and hot-air blowout pipe 230. - As for the
heater 250, an electric heater that converts electricity to heat can be used, for example. - The
body 220 is provided with anair supplypipe 270, through which the device is supplied of air from an air supply source not shown. - The air supplied to the body is heated through the
heater 250, and discharged through anozzle 240 at the tip of the hot-air blowout pipe as heated air. - A
thermocouple 260 is provided to the interior of thenozzle portion 240, for detecting the temperature of the hot air being discharged. - The detected data is sent to a
controller 300. Thecontroller 300 controls theheater 250 so that the hot air being discharged through thenozzle 240 maintains a predetermined temperature. - If the workpiece is made of aluminum alloy, the conditions for the straightening process carried out by blowing hot air to the workpiece are as follows.
- The temperature of the hot air being discharged through the nozzle is controlled to approximately 800°C, while the speed of movement is set to approximately 1000 mm/min.
- The distance between the nozzle and the workpiece is set to approximately 20 mm. The control of relativemovement between the nozzle and workpiece can be automated easily by correcting the NC program used for the incremental forming.
- The path of movement of the nozzle during the straightening step depends on the shape of the workpiece, but if the workpiece has a
form portion 20 like the one shown in the drawings, the work is annealed by heating the area near an upper edge line 20a and alower edge line 20b of the formportion, thereby removing the strain created by the incremental forming. - In the above embodiment, the workpiece is supported by having its periphery clamped and moved in the vertical direction, but strain is caused even if the work is supported by having its center area clamped, so the same straightening annealing process should be carried out.
- Moreover, heating devices using laser, plasma or halogen lamp can also be utilized as the heat supply apparatus.
Claims (6)
- Amethod for incremental forming carried out by applying an incremental forming tool to a metal workpiece and performing forming along a contour line, comprising:a step of carrying out incremental forming by applying the incremental forming tool to the metal workpiece and moving the incremental forming tool along the contour line; anda step of supplying heat to a strained portion of a product formed through said incremental forming step.
- The method for incremental forming according to claim 1, wherein said step of carrying out incremental forming and said step of supplying heat are performed while a periphery portion of said metal workpiece is being gripped.
- The method for incremental forming according to claim 1, wherein a portion receiving said heat is moved along an edge line of a form portion.
- An incremental forming apparatus comprising: a table for mounting a metal workpiece; a workpiece clamp for fixing the metal workpiece to the table; a spindle disposed perpendicular to a plane formed by the table; and a means for relatively moving the table and the spindle; wherein the spindle mounts an incremental forming tool and a straightening tool in an exchangeable manner.
- The incremental forming apparatus according to claim 4, wherein the straightening tool comprises a shank portion to be inserted to the spindle, a hot-air blowout portion, an electric heater for heating an air to be supplied, a sensor for detecting temperature of the hot air at the blowout portion, anda controller for controlling the heater based on data from the sensor.
- The incremental forming apparatus according to claim 4, further comprising a means for moving the hot-air blowout portion of the straightening tool maintaining a predetermined distance from a surface of a processing portion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003089944A JP4209233B2 (en) | 2003-03-28 | 2003-03-28 | Sequential molding machine |
JP2003089944 | 2003-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1462189A1 true EP1462189A1 (en) | 2004-09-29 |
EP1462189B1 EP1462189B1 (en) | 2006-06-14 |
Family
ID=32821577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03255185A Expired - Lifetime EP1462189B1 (en) | 2003-03-28 | 2003-08-21 | Method and apparatus for incremental forming |
Country Status (10)
Country | Link |
---|---|
US (1) | US6971256B2 (en) |
EP (1) | EP1462189B1 (en) |
JP (1) | JP4209233B2 (en) |
KR (1) | KR20040086091A (en) |
CN (1) | CN1533852A (en) |
AT (1) | ATE329704T1 (en) |
AU (1) | AU2003236395A1 (en) |
DE (1) | DE60306103T2 (en) |
ES (1) | ES2261881T3 (en) |
TW (1) | TW200418590A (en) |
Cited By (9)
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---|---|---|---|---|
WO2006110962A2 (en) * | 2005-04-22 | 2006-10-26 | K.U.Leuven Research And Development | Asymmetric incremental sheet forming system |
US20140042683A1 (en) * | 2012-08-10 | 2014-02-13 | Ford Global Technologies, Llc | Fixture Assembly for Forming Prototype Parts on an Incremental Forming Machine |
EP3078433A1 (en) * | 2015-04-03 | 2016-10-12 | The Boeing Company | Method and system for incremental sheet forming of tailored blanks |
CN106807828A (en) * | 2017-02-08 | 2017-06-09 | 青岛理工大学 | The product that the product progressive molding method and the method for a kind of uniform thickness of slab are obtained |
CN106862375A (en) * | 2017-02-15 | 2017-06-20 | 青岛理工大学 | A kind of progressive molding method of use hybrid process track |
CN106862354A (en) * | 2017-02-28 | 2017-06-20 | 天津航天机电设备研究所 | The spinning processing method of spinning roller bracket clamp holder device and large thin-wall curved article |
CN107030168A (en) * | 2017-03-30 | 2017-08-11 | 上乘精密科技(苏州)有限公司 | A kind of automatic spinning system |
US10144048B2 (en) | 2014-11-19 | 2018-12-04 | Ford Global Technologies, Llc | High stiffness and high access forming tool for incremental sheet forming |
CN114682649A (en) * | 2022-02-16 | 2022-07-01 | 江苏科技大学 | Intelligent leveling system with automatic temperature control function and method thereof |
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JP4322033B2 (en) * | 2003-03-28 | 2009-08-26 | 株式会社日立製作所 | Sequential forming method and apparatus |
US20040221929A1 (en) | 2003-05-09 | 2004-11-11 | Hebda John J. | Processing of titanium-aluminum-vanadium alloys and products made thereby |
US7837812B2 (en) | 2004-05-21 | 2010-11-23 | Ati Properties, Inc. | Metastable beta-titanium alloys and methods of processing the same by direct aging |
JP5030084B2 (en) * | 2006-10-13 | 2012-09-19 | 日本飛行機株式会社 | Molding method |
US8858853B2 (en) | 2008-04-04 | 2014-10-14 | The Boeing Company | Formed sheet metal composite tooling |
US8408039B2 (en) * | 2008-10-07 | 2013-04-02 | Northwestern University | Microforming method and apparatus |
US8322176B2 (en) * | 2009-02-11 | 2012-12-04 | Ford Global Technologies, Llc | System and method for incrementally forming a workpiece |
US8578748B2 (en) * | 2009-04-08 | 2013-11-12 | The Boeing Company | Reducing force needed to form a shape from a sheet metal |
US8033151B2 (en) * | 2009-04-08 | 2011-10-11 | The Boeing Company | Method and apparatus for reducing force needed to form a shape from a sheet metal |
US9682418B1 (en) | 2009-06-18 | 2017-06-20 | The Boeing Company | Method and apparatus for incremental sheet forming |
US8316687B2 (en) * | 2009-08-12 | 2012-11-27 | The Boeing Company | Method for making a tool used to manufacture composite parts |
US10053758B2 (en) | 2010-01-22 | 2018-08-21 | Ati Properties Llc | Production of high strength titanium |
US8733143B2 (en) | 2010-07-15 | 2014-05-27 | Ford Global Technologies, Llc | Method of incremental forming with successive wrap surfaces |
US9255316B2 (en) | 2010-07-19 | 2016-02-09 | Ati Properties, Inc. | Processing of α+β titanium alloys |
US8783078B2 (en) | 2010-07-27 | 2014-07-22 | Ford Global Technologies, Llc | Method to improve geometrical accuracy of an incrementally formed workpiece |
US8302442B2 (en) | 2010-07-29 | 2012-11-06 | Ford Global Technologies, Llc | Method of incrementally forming a workpiece |
US9206497B2 (en) | 2010-09-15 | 2015-12-08 | Ati Properties, Inc. | Methods for processing titanium alloys |
US8613818B2 (en) | 2010-09-15 | 2013-12-24 | Ati Properties, Inc. | Processing routes for titanium and titanium alloys |
US10513755B2 (en) | 2010-09-23 | 2019-12-24 | Ati Properties Llc | High strength alpha/beta titanium alloy fasteners and fastener stock |
US8652400B2 (en) | 2011-06-01 | 2014-02-18 | Ati Properties, Inc. | Thermo-mechanical processing of nickel-base alloys |
US9050647B2 (en) * | 2013-03-15 | 2015-06-09 | Ati Properties, Inc. | Split-pass open-die forging for hard-to-forge, strain-path sensitive titanium-base and nickel-base alloys |
US9869003B2 (en) | 2013-02-26 | 2018-01-16 | Ati Properties Llc | Methods for processing alloys |
US9192981B2 (en) | 2013-03-11 | 2015-11-24 | Ati Properties, Inc. | Thermomechanical processing of high strength non-magnetic corrosion resistant material |
US9777361B2 (en) | 2013-03-15 | 2017-10-03 | Ati Properties Llc | Thermomechanical processing of alpha-beta titanium alloys |
US11111552B2 (en) | 2013-11-12 | 2021-09-07 | Ati Properties Llc | Methods for processing metal alloys |
CN103691808B (en) * | 2013-12-09 | 2015-09-16 | 无锡科技职业学院 | Single-point progressive molding gas-operated thermal bath facility |
US10094003B2 (en) | 2015-01-12 | 2018-10-09 | Ati Properties Llc | Titanium alloy |
US10502252B2 (en) | 2015-11-23 | 2019-12-10 | Ati Properties Llc | Processing of alpha-beta titanium alloys |
JP6592060B2 (en) * | 2017-11-01 | 2019-10-16 | ファナック株式会社 | Machine tool and plastic working method |
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CN110421045A (en) * | 2019-07-19 | 2019-11-08 | 大冶市同创不锈钢金属材料有限公司 | A kind of sheet stamping device and process for stamping |
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- 2003-03-28 JP JP2003089944A patent/JP4209233B2/en not_active Expired - Lifetime
- 2003-08-19 TW TW092122768A patent/TW200418590A/en unknown
- 2003-08-19 US US10/642,698 patent/US6971256B2/en not_active Expired - Lifetime
- 2003-08-21 EP EP03255185A patent/EP1462189B1/en not_active Expired - Lifetime
- 2003-08-21 AT AT03255185T patent/ATE329704T1/en not_active IP Right Cessation
- 2003-08-21 ES ES03255185T patent/ES2261881T3/en not_active Expired - Lifetime
- 2003-08-21 AU AU2003236395A patent/AU2003236395A1/en not_active Abandoned
- 2003-08-21 DE DE60306103T patent/DE60306103T2/en not_active Expired - Lifetime
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- 2003-09-01 CN CNA031557333A patent/CN1533852A/en active Pending
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EP0970764A1 (en) * | 1998-01-29 | 2000-01-12 | Amino Corporation | Apparatus for dieless forming plate materials |
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JP2000153313A (en) * | 1998-11-16 | 2000-06-06 | Toyota Central Res & Dev Lab Inc | Incremental pressing and forming device |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006110962A3 (en) * | 2005-04-22 | 2007-01-11 | Leuven K U Res & Dev | Asymmetric incremental sheet forming system |
US7984635B2 (en) | 2005-04-22 | 2011-07-26 | K.U. Leuven Research & Development | Asymmetric incremental sheet forming system |
WO2006110962A2 (en) * | 2005-04-22 | 2006-10-26 | K.U.Leuven Research And Development | Asymmetric incremental sheet forming system |
US20140042683A1 (en) * | 2012-08-10 | 2014-02-13 | Ford Global Technologies, Llc | Fixture Assembly for Forming Prototype Parts on an Incremental Forming Machine |
US9038999B2 (en) * | 2012-08-10 | 2015-05-26 | Ford Global Technologies, Llc | Fixture assembly for forming prototype parts on an incremental forming machine |
US10144048B2 (en) | 2014-11-19 | 2018-12-04 | Ford Global Technologies, Llc | High stiffness and high access forming tool for incremental sheet forming |
EP3078433A1 (en) * | 2015-04-03 | 2016-10-12 | The Boeing Company | Method and system for incremental sheet forming of tailored blanks |
US10189072B2 (en) | 2015-04-03 | 2019-01-29 | The Boeing Company | Method and system for incremental sheet forming of tailored blanks |
CN106807828A (en) * | 2017-02-08 | 2017-06-09 | 青岛理工大学 | The product that the product progressive molding method and the method for a kind of uniform thickness of slab are obtained |
CN106807828B (en) * | 2017-02-08 | 2018-04-03 | 青岛理工大学 | The product that a kind of uniformly product progressive molding method of thickness of slab and this method obtain |
CN106862375A (en) * | 2017-02-15 | 2017-06-20 | 青岛理工大学 | A kind of progressive molding method of use hybrid process track |
CN106862354A (en) * | 2017-02-28 | 2017-06-20 | 天津航天机电设备研究所 | The spinning processing method of spinning roller bracket clamp holder device and large thin-wall curved article |
CN107030168A (en) * | 2017-03-30 | 2017-08-11 | 上乘精密科技(苏州)有限公司 | A kind of automatic spinning system |
CN114682649A (en) * | 2022-02-16 | 2022-07-01 | 江苏科技大学 | Intelligent leveling system with automatic temperature control function and method thereof |
CN114682649B (en) * | 2022-02-16 | 2023-03-24 | 江苏科技大学 | Intelligent leveling system with automatic temperature control function and method thereof |
Also Published As
Publication number | Publication date |
---|---|
JP4209233B2 (en) | 2009-01-14 |
KR20040086091A (en) | 2004-10-08 |
CN1533852A (en) | 2004-10-06 |
EP1462189B1 (en) | 2006-06-14 |
US20040187545A1 (en) | 2004-09-30 |
DE60306103D1 (en) | 2006-07-27 |
ATE329704T1 (en) | 2006-07-15 |
JP2004291067A (en) | 2004-10-21 |
AU2003236395A1 (en) | 2004-10-14 |
DE60306103T2 (en) | 2007-01-11 |
US6971256B2 (en) | 2005-12-06 |
TW200418590A (en) | 2004-10-01 |
ES2261881T3 (en) | 2006-11-16 |
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